Rising Maximum Temperatures • Watts Up With That?
With the widespread introduction of MMTS and ASOS weather stations over time since 1980, which record instantaneous temperatures every minute with a 10 second response time, spurious instantaneous high temperatures can be recorded as Tmax driving up both the daily temperature average (Tavg) and the daily, weekly monthly and annual Tmax records.
Source: wattsupwiththat.com
